/* Akademija Ljiljana - Aquaponik Info Website */

:root {
  --primary: #6B46C1;
  --primary-light: #9F7AEA;
  --primary-dark: #553C9A;
  --secondary: #10B981;
  --accent: #F59E0B;
  --background: #FAFAFA;
  --card: #FFFFFF;
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --border: #E5E7EB;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.3;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.logo img {
  height: 48px;
  width: 48px;
  object-fit: contain;
}

.logo span {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover, .nav a.active {
  color: var(--primary);
}

.language-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  background: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.lang-btn:hover {
  border-color: var(--primary);
}

.lang-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 8rem 2rem 4rem;
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.05), rgba(16, 185, 129, 0.05));
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.125rem;
  transition: all 0.3s;
}

.hero-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(107, 70, 193, 0.3);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: -2rem auto 0;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  font-family: 'Playfair Display', serif;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Section */
.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.25rem;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(107, 70, 193, 0.1);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Course Days */
.days-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.day-item {
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border);
  align-items: center;
}

.day-number {
  min-width: 80px;
  text-align: center;
}

.day-number span {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.day-content h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.day-content p {
  color: var(--text-muted);
  margin: 0;
}

/* Contact Form */
.contact-section {
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.05), rgba(16, 185, 129, 0.05));
  padding: 5rem 2rem;
}

.contact-container {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 3rem;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.submit-btn:hover {
  background: var(--primary-dark);
}

/* Footer */
.footer {
  background: var(--text);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
}

.footer p {
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .nav {
    display: none;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .day-item {
    flex-direction: column;
    text-align: center;
  }
}